6 from twisted.internet import defer
7 from twisted.python.failure import Failure
8 from twisted.web import http, html
9 from nevow import url, rend, inevow, tags as T
10 from nevow.inevow import IRequest
12 from foolscap.eventual import fireEventually
14 from allmydata.util import base32
15 from allmydata.uri import from_string_dirnode
16 from allmydata.interfaces import IDirectoryNode, IFileNode, IMutableFileNode, \
17 ExistingChildError, NoSuchChildError
18 from allmydata.monitor import Monitor
19 from allmydata import dirnode
20 from allmydata.web.common import text_plain, WebError, \
21 IClient, IOpHandleTable, NeedOperationHandleError, \
22 boolean_of_arg, get_arg, get_root, \
23 should_create_intermediate_directories, \
24 getxmlfile, RenderMixin
25 from allmydata.web.filenode import ReplaceMeMixin, \
26 FileNodeHandler, PlaceHolderNodeHandler
27 from allmydata.web.check_results import CheckResults, \
28 CheckAndRepairResults, DeepCheckResults, DeepCheckAndRepairResults
29 from allmydata.web.info import MoreInfo
30 from allmydata.web.operations import ReloadMixin
32 class BlockingFileError(Exception):
33 # TODO: catch and transform
34 """We cannot auto-create a parent directory, because there is a file in
37 def make_handler_for(node, parentnode=None, name=None):
39 assert IDirectoryNode.providedBy(parentnode)
40 if IMutableFileNode.providedBy(node):
41 return FileNodeHandler(node, parentnode, name)
42 if IFileNode.providedBy(node):
43 return FileNodeHandler(node, parentnode, name)
44 if IDirectoryNode.providedBy(node):
45 return DirectoryNodeHandler(node, parentnode, name)
46 raise WebError("Cannot provide handler for '%s'" % node)
48 class DirectoryNodeHandler(RenderMixin, rend.Page, ReplaceMeMixin):
51 def __init__(self, node, parentnode=None, name=None):
52 rend.Page.__init__(self)
55 self.parentnode = parentnode
58 def childFactory(self, ctx, name):
60 name = name.decode("utf-8")
61 d = self.node.get(name)
62 d.addBoth(self.got_child, ctx, name)
63 # got_child returns a handler resource: FileNodeHandler or
64 # DirectoryNodeHandler
67 def got_child(self, node_or_failure, ctx, name):
69 if DEBUG: print "GOT_CHILD", name, node_or_failure
72 nonterminal = len(req.postpath) > 1
73 t = get_arg(req, "t", "").strip()
74 if isinstance(node_or_failure, Failure):
76 f.trap(NoSuchChildError)
77 # No child by this name. What should we do about it?
78 if DEBUG: print "no child", name
79 if DEBUG: print "postpath", req.postpath
81 if DEBUG: print " intermediate"
82 if should_create_intermediate_directories(req):
83 # create intermediate directories
84 if DEBUG: print " making intermediate directory"
85 d = self.node.create_empty_directory(name)
86 d.addCallback(make_handler_for, self.node, name)
89 if DEBUG: print " terminal"
91 if (method,t) in [ ("POST","mkdir"), ("PUT","mkdir") ]:
92 if DEBUG: print " making final directory"
94 d = self.node.create_empty_directory(name)
95 d.addCallback(make_handler_for, self.node, name)
97 if (method,t) in ( ("PUT",""), ("PUT","uri"), ):
98 if DEBUG: print " PUT, making leaf placeholder"
99 # we were trying to find the leaf filenode (to put a new
100 # file in its place), and it didn't exist. That's ok,
101 # since that's the leaf node that we're about to create.
102 # We make a dummy one, which will respond to the PUT
103 # request by replacing itself.
104 return PlaceHolderNodeHandler(self.node, name)
105 if DEBUG: print " 404"
106 # otherwise, we just return a no-such-child error
107 return rend.FourOhFour()
109 node = node_or_failure
110 if nonterminal and should_create_intermediate_directories(req):
111 if not IDirectoryNode.providedBy(node):
112 # we would have put a new directory here, but there was a
114 if DEBUG: print "blocking"
115 raise WebError("Unable to create directory '%s': "
116 "a file was in the way" % name,
118 if DEBUG: print "good child"
119 return make_handler_for(node, self.node, name)
121 def render_DELETE(self, ctx):
122 assert self.parentnode and self.name
123 d = self.parentnode.delete(self.name)
124 d.addCallback(lambda res: self.node.get_uri())
127 def render_GET(self, ctx):
128 client = IClient(ctx)
130 # This is where all of the directory-related ?t=* code goes.
131 t = get_arg(req, "t", "").strip()
133 # render the directory as HTML, using the docFactory and Nevow's
134 # whole templating thing.
135 return DirectoryAsHTML(self.node)
138 return DirectoryJSONMetadata(ctx, self.node)
140 return MoreInfo(self.node)
142 return DirectoryURI(ctx, self.node)
143 if t == "readonly-uri":
144 return DirectoryReadonlyURI(ctx, self.node)
145 if t == 'rename-form':
146 return RenameForm(self.node)
148 raise WebError("GET directory: bad t=%s" % t)
150 def render_PUT(self, ctx):
152 t = get_arg(req, "t", "").strip()
153 replace = boolean_of_arg(get_arg(req, "replace", "true"))
155 # our job was done by the traversal/create-intermediate-directory
156 # process that got us here.
157 return text_plain(self.node.get_uri(), ctx) # TODO: urlencode
160 # they're trying to set_uri and that name is already occupied
162 raise ExistingChildError()
163 d = self.replace_me_with_a_childcap(ctx, replace)
167 raise WebError("PUT to a directory")
169 def render_POST(self, ctx):
171 t = get_arg(req, "t", "").strip()
174 d = self._POST_mkdir(req)
177 d = self._POST_mkdir_p(req)
179 d = self._POST_upload(ctx) # this one needs the context
181 d = self._POST_uri(req)
183 d = self._POST_delete(req)
185 d = self._POST_rename(req)
187 d = self._POST_check(req)
188 elif t == "start-deep-check":
189 d = self._POST_start_deep_check(ctx)
190 elif t == "start-manifest":
191 d = self._POST_start_manifest(ctx)
192 elif t == "start-deep-size":
193 d = self._POST_start_deep_size(ctx)
194 elif t == "start-deep-stats":
195 d = self._POST_start_deep_stats(ctx)
196 elif t == "stream-manifest":
197 d = self._POST_stream_manifest(ctx)
198 elif t == "set_children":
200 d = self._POST_set_children(req)
202 raise WebError("POST to a directory with bad t=%s" % t)
204 when_done = get_arg(req, "when_done", None)
206 d.addCallback(lambda res: url.URL.fromString(when_done))
209 def _POST_mkdir(self, req):
210 name = get_arg(req, "name", "")
212 # our job is done, it was handled by the code in got_child
213 # which created the final directory (i.e. us)
214 return defer.succeed(self.node.get_uri()) # TODO: urlencode
215 name = name.decode("utf-8")
216 replace = boolean_of_arg(get_arg(req, "replace", "true"))
217 d = self.node.create_empty_directory(name, overwrite=replace)
218 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
221 def _POST_mkdir_p(self, req):
222 path = get_arg(req, "path")
224 raise WebError("mkdir-p requires a path")
225 path_ = tuple([seg.decode("utf-8") for seg in path.split('/') if seg ])
227 d = self._get_or_create_directories(self.node, path_)
228 d.addCallback(lambda node: node.get_uri())
231 def _get_or_create_directories(self, node, path):
232 if not IDirectoryNode.providedBy(node):
233 # unfortunately it is too late to provide the name of the
234 # blocking directory in the error message.
235 raise BlockingFileError("cannot create directory because there "
236 "is a file in the way")
238 return defer.succeed(node)
239 d = node.get(path[0])
240 def _maybe_create(f):
241 f.trap(NoSuchChildError)
242 return node.create_empty_directory(path[0])
243 d.addErrback(_maybe_create)
244 d.addCallback(self._get_or_create_directories, path[1:])
247 def _POST_upload(self, ctx):
249 charset = get_arg(req, "_charset", "utf-8")
250 contents = req.fields["file"]
251 assert contents.filename is None or isinstance(contents.filename, str)
252 name = get_arg(req, "name")
253 name = name or contents.filename
257 # this prohibts empty, missing, and all-whitespace filenames
258 raise WebError("upload requires a name")
259 assert isinstance(name, str)
260 name = name.decode(charset)
262 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
263 assert isinstance(name, unicode)
265 # since POST /uri/path/file?t=upload is equivalent to
266 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
267 # childFactory would do. Things are cleaner if we only do a subset of
268 # them, though, so we don't do: d = self.childFactory(ctx, name)
270 d = self.node.get(name)
271 def _maybe_got_node(node_or_failure):
272 if isinstance(node_or_failure, Failure):
274 f.trap(NoSuchChildError)
275 # create a placeholder which will see POST t=upload
276 return PlaceHolderNodeHandler(self.node, name)
278 node = node_or_failure
279 return make_handler_for(node, self.node, name)
280 d.addBoth(_maybe_got_node)
281 # now we have a placeholder or a filenodehandler, and we can just
282 # delegate to it. We could return the resource back out of
283 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
284 # but the addCallback() that handles when_done= would break.
285 d.addCallback(lambda child: child.renderHTTP(ctx))
288 def _POST_uri(self, req):
289 childcap = get_arg(req, "uri")
291 raise WebError("set-uri requires a uri")
292 name = get_arg(req, "name")
294 raise WebError("set-uri requires a name")
295 charset = get_arg(req, "_charset", "utf-8")
296 name = name.decode(charset)
297 replace = boolean_of_arg(get_arg(req, "replace", "true"))
298 d = self.node.set_uri(name, childcap, overwrite=replace)
299 d.addCallback(lambda res: childcap)
302 def _POST_delete(self, req):
303 name = get_arg(req, "name")
305 # apparently an <input type="hidden" name="name" value="">
306 # won't show up in the resulting encoded form.. the 'name'
307 # field is completely missing. So to allow deletion of an
308 # empty file, we have to pretend that None means ''. The only
309 # downide of this is a slightly confusing error message if
310 # someone does a POST without a name= field. For our own HTML
311 # thisn't a big deal, because we create the 'delete' POST
314 charset = get_arg(req, "_charset", "utf-8")
315 name = name.decode(charset)
316 d = self.node.delete(name)
317 d.addCallback(lambda res: "thing deleted")
320 def _POST_rename(self, req):
321 charset = get_arg(req, "_charset", "utf-8")
322 from_name = get_arg(req, "from_name")
323 if from_name is not None:
324 from_name = from_name.strip()
325 from_name = from_name.decode(charset)
326 assert isinstance(from_name, unicode)
327 to_name = get_arg(req, "to_name")
328 if to_name is not None:
329 to_name = to_name.strip()
330 to_name = to_name.decode(charset)
331 assert isinstance(to_name, unicode)
332 if not from_name or not to_name:
333 raise WebError("rename requires from_name and to_name")
334 if from_name == to_name:
335 return defer.succeed("redundant rename")
337 # allow from_name to contain slashes, so they can fix names that were
338 # accidentally created with them. But disallow them in to_name, to
339 # discourage the practice.
341 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
343 replace = boolean_of_arg(get_arg(req, "replace", "true"))
344 d = self.node.move_child_to(from_name, self.node, to_name, replace)
345 d.addCallback(lambda res: "thing renamed")
348 def _POST_check(self, req):
349 # check this directory
350 verify = boolean_of_arg(get_arg(req, "verify", "false"))
351 repair = boolean_of_arg(get_arg(req, "repair", "false"))
353 d = self.node.check_and_repair(Monitor(), verify)
354 d.addCallback(lambda res: CheckAndRepairResults(res))
356 d = self.node.check(Monitor(), verify)
357 d.addCallback(lambda res: CheckResults(res))
360 def _start_operation(self, monitor, renderer, ctx):
361 table = IOpHandleTable(ctx)
362 table.add_monitor(ctx, monitor, renderer)
363 return table.redirect_to(ctx)
365 def _POST_start_deep_check(self, ctx):
366 # check this directory and everything reachable from it
367 if not get_arg(ctx, "ophandle"):
368 raise NeedOperationHandleError("slow operation requires ophandle=")
369 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
370 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
372 monitor = self.node.start_deep_check_and_repair(verify)
373 renderer = DeepCheckAndRepairResults(monitor)
375 monitor = self.node.start_deep_check(verify)
376 renderer = DeepCheckResults(monitor)
377 return self._start_operation(monitor, renderer, ctx)
379 def _POST_start_manifest(self, ctx):
380 if not get_arg(ctx, "ophandle"):
381 raise NeedOperationHandleError("slow operation requires ophandle=")
382 monitor = self.node.build_manifest()
383 renderer = ManifestResults(monitor)
384 return self._start_operation(monitor, renderer, ctx)
386 def _POST_start_deep_size(self, ctx):
387 if not get_arg(ctx, "ophandle"):
388 raise NeedOperationHandleError("slow operation requires ophandle=")
389 monitor = self.node.start_deep_stats()
390 renderer = DeepSizeResults(monitor)
391 return self._start_operation(monitor, renderer, ctx)
393 def _POST_start_deep_stats(self, ctx):
394 if not get_arg(ctx, "ophandle"):
395 raise NeedOperationHandleError("slow operation requires ophandle=")
396 monitor = self.node.start_deep_stats()
397 renderer = DeepStatsResults(monitor)
398 return self._start_operation(monitor, renderer, ctx)
400 def _POST_stream_manifest(self, ctx):
401 walker = ManifestStreamer(ctx, self.node)
402 monitor = self.node.deep_traverse(walker)
403 return monitor.when_done()
405 def _POST_set_children(self, req):
406 replace = boolean_of_arg(get_arg(req, "replace", "true"))
408 body = req.content.read()
410 children = simplejson.loads(body)
411 except ValueError, le:
412 le.args = tuple(le.args + (body,))
413 # TODO test handling of bad JSON
416 for name, (file_or_dir, mddict) in children.iteritems():
417 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
418 cap = str(mddict.get('rw_uri') or mddict.get('ro_uri'))
419 cs.append((name, cap, mddict.get('metadata')))
420 d = self.node.set_children(cs, replace)
421 d.addCallback(lambda res: "Okay so I did it.")
425 def abbreviated_dirnode(dirnode):
426 u = from_string_dirnode(dirnode.get_uri())
429 class DirectoryAsHTML(rend.Page):
430 # The remainder of this class is to render the directory into
431 # human+browser -oriented HTML.
432 docFactory = getxmlfile("directory.xhtml")
435 def __init__(self, node):
436 rend.Page.__init__(self)
439 def render_title(self, ctx, data):
440 si_s = abbreviated_dirnode(self.node)
441 header = ["Directory SI=%s" % si_s]
442 return ctx.tag[header]
444 def render_header(self, ctx, data):
445 si_s = abbreviated_dirnode(self.node)
446 header = ["Directory SI=%s" % si_s]
447 if self.node.is_readonly():
448 header.append(" (readonly)")
449 return ctx.tag[header]
451 def render_welcome(self, ctx, data):
453 return T.div[T.a(href=link)["Return to Welcome page"]]
455 def data_children(self, ctx, data):
457 d.addCallback(lambda dict: sorted(dict.items()))
458 def _stall_some(items):
459 # Deferreds don't optimize out tail recursion, and the way
460 # Nevow's flattener handles Deferreds doesn't take this into
461 # account. As a result, large lists of Deferreds that fire in the
462 # same turn (i.e. the output of defer.succeed) will cause a stack
463 # overflow. To work around this, we insert a turn break after
464 # every 100 items, using foolscap's fireEventually(). This gives
465 # the stack a chance to be popped. It would also work to put
466 # every item in its own turn, but that'd be a lot more
467 # inefficient. This addresses ticket #237, for which I was never
468 # able to create a failing unit test.
470 for i,item in enumerate(items):
472 output.append(fireEventually(item))
476 d.addCallback(_stall_some)
479 def render_row(self, ctx, data):
480 name, (target, metadata) = data
481 name = name.encode("utf-8")
482 assert not isinstance(name, unicode)
483 nameurl = urllib.quote(name, safe="") # encode any slashes too
486 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
487 if self.node.is_readonly():
491 # this creates a button which will cause our child__delete method
492 # to be invoked, which deletes the file and then redirects the
493 # browser back to this directory
494 delete = T.form(action=here, method="post")[
495 T.input(type='hidden', name='t', value='delete'),
496 T.input(type='hidden', name='name', value=name),
497 T.input(type='hidden', name='when_done', value="."),
498 T.input(type='submit', value='del', name="del"),
501 rename = T.form(action=here, method="get")[
502 T.input(type='hidden', name='t', value='rename-form'),
503 T.input(type='hidden', name='name', value=name),
504 T.input(type='hidden', name='when_done', value="."),
505 T.input(type='submit', value='rename', name="rename"),
508 ctx.fillSlots("delete", delete)
509 ctx.fillSlots("rename", rename)
512 TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
513 if "ctime" in metadata:
514 ctime = time.strftime(TIME_FORMAT,
515 time.localtime(metadata["ctime"]))
516 times.append("c: " + ctime)
517 if "mtime" in metadata:
518 mtime = time.strftime(TIME_FORMAT,
519 time.localtime(metadata["mtime"]))
522 times.append("m: " + mtime)
523 ctx.fillSlots("times", times)
525 assert (IFileNode.providedBy(target)
526 or IDirectoryNode.providedBy(target)
527 or IMutableFileNode.providedBy(target)), target
529 quoted_uri = urllib.quote(target.get_uri())
531 if IMutableFileNode.providedBy(target):
532 # to prevent javascript in displayed .html files from stealing a
533 # secret directory URI from the URL, send the browser to a URI-based
534 # page that doesn't know about the directory at all
535 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
537 ctx.fillSlots("filename",
538 T.a(href=dlurl)[html.escape(name)])
539 ctx.fillSlots("type", "SSK")
541 ctx.fillSlots("size", "?")
543 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
545 elif IFileNode.providedBy(target):
546 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
548 ctx.fillSlots("filename",
549 T.a(href=dlurl)[html.escape(name)])
550 ctx.fillSlots("type", "FILE")
552 ctx.fillSlots("size", target.get_size())
554 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
556 elif IDirectoryNode.providedBy(target):
558 uri_link = "%s/uri/%s/" % (root, urllib.quote(target.get_uri()))
559 ctx.fillSlots("filename",
560 T.a(href=uri_link)[html.escape(name)])
561 if target.is_readonly():
565 ctx.fillSlots("type", dirtype)
566 ctx.fillSlots("size", "-")
567 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
569 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
573 def render_forms(self, ctx, data):
576 if self.node.is_readonly():
577 forms.append(T.div["No upload forms: directory is read-only"])
580 mkdir = T.form(action=".", method="post",
581 enctype="multipart/form-data")[
583 T.input(type="hidden", name="t", value="mkdir"),
584 T.input(type="hidden", name="when_done", value="."),
585 T.legend(class_="freeform-form-label")["Create a new directory"],
586 "New directory name: ",
587 T.input(type="text", name="name"), " ",
588 T.input(type="submit", value="Create"),
590 forms.append(T.div(class_="freeform-form")[mkdir])
592 upload = T.form(action=".", method="post",
593 enctype="multipart/form-data")[
595 T.input(type="hidden", name="t", value="upload"),
596 T.input(type="hidden", name="when_done", value="."),
597 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
598 "Choose a file to upload: ",
599 T.input(type="file", name="file", class_="freeform-input-file"),
601 T.input(type="submit", value="Upload"),
603 T.input(type="checkbox", name="mutable"),
605 forms.append(T.div(class_="freeform-form")[upload])
607 mount = T.form(action=".", method="post",
608 enctype="multipart/form-data")[
610 T.input(type="hidden", name="t", value="uri"),
611 T.input(type="hidden", name="when_done", value="."),
612 T.legend(class_="freeform-form-label")["Attach a file or directory"
616 T.input(type="text", name="name"), " ",
617 "URI of new child: ",
618 T.input(type="text", name="uri"), " ",
619 T.input(type="submit", value="Attach"),
621 forms.append(T.div(class_="freeform-form")[mount])
624 def render_results(self, ctx, data):
626 return get_arg(req, "results", "")
629 def DirectoryJSONMetadata(ctx, dirnode):
633 for name, (childnode, metadata) in children.iteritems():
634 if childnode.is_readonly():
636 ro_uri = childnode.get_uri()
638 rw_uri = childnode.get_uri()
639 ro_uri = childnode.get_readonly_uri()
640 if IFileNode.providedBy(childnode):
641 kiddata = ("filenode", {'size': childnode.get_size(),
642 'metadata': metadata,
645 assert IDirectoryNode.providedBy(childnode), (childnode,
647 kiddata = ("dirnode", {'metadata': metadata})
649 kiddata[1]["ro_uri"] = ro_uri
651 kiddata[1]["rw_uri"] = rw_uri
652 kiddata[1]['mutable'] = childnode.is_mutable()
654 if dirnode.is_readonly():
656 dro_uri = dirnode.get_uri()
658 drw_uri = dirnode.get_uri()
659 dro_uri = dirnode.get_readonly_uri()
660 contents = { 'children': kids }
662 contents['ro_uri'] = dro_uri
664 contents['rw_uri'] = drw_uri
665 contents['mutable'] = dirnode.is_mutable()
666 data = ("dirnode", contents)
667 return simplejson.dumps(data, indent=1) + "\n"
669 d.addCallback(text_plain, ctx)
674 def DirectoryURI(ctx, dirnode):
675 return text_plain(dirnode.get_uri(), ctx)
677 def DirectoryReadonlyURI(ctx, dirnode):
678 return text_plain(dirnode.get_readonly_uri(), ctx)
680 class RenameForm(rend.Page):
682 docFactory = getxmlfile("rename-form.xhtml")
684 def render_title(self, ctx, data):
685 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
687 def render_header(self, ctx, data):
689 "in directory SI=%s" % abbreviated_dirnode(self.original),
692 if self.original.is_readonly():
693 header.append(" (readonly!)")
695 return ctx.tag[header]
697 def render_when_done(self, ctx, data):
698 return T.input(type="hidden", name="when_done", value=".")
700 def render_get_name(self, ctx, data):
702 name = get_arg(req, "name", "")
703 ctx.tag.attributes['value'] = name
707 class ManifestResults(rend.Page, ReloadMixin):
708 docFactory = getxmlfile("manifest.xhtml")
710 def __init__(self, monitor):
711 self.monitor = monitor
713 def renderHTTP(self, ctx):
714 output = get_arg(inevow.IRequest(ctx), "output", "html").lower()
716 return self.text(ctx)
718 return self.json(ctx)
719 return rend.Page.renderHTTP(self, ctx)
721 def slashify_path(self, path):
724 return "/".join([p.encode("utf-8") for p in path])
727 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
729 is_finished = self.monitor.is_finished()
730 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
731 for (path, cap) in self.monitor.get_status()["manifest"]:
732 lines.append(self.slashify_path(path) + " " + cap)
733 return "\n".join(lines) + "\n"
736 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
740 status = { "stats": s["stats"],
741 "finished": m.is_finished(),
742 "origin": base32.b2a(m.origin_si),
745 # don't return manifest/verifycaps/SIs unless the operation is
746 # done, to save on CPU/memory (both here and in the HTTP client
747 # who has to unpack the JSON). Tests show that the ManifestWalker
748 # needs about 1092 bytes per item, the JSON we generate here
749 # requires about 503 bytes per item, and some internal overhead
750 # (perhaps transport-layer buffers in twisted.web?) requires an
751 # additional 1047 bytes per item.
752 status.update({ "manifest": s["manifest"],
753 "verifycaps": [i for i in s["verifycaps"]],
754 "storage-index": [i for i in s["storage-index"]],
756 # simplejson doesn't know how to serialize a set. We use a
757 # generator that walks the set rather than list(setofthing) to
758 # save a small amount of memory (4B*len) and a moderate amount of
760 return simplejson.dumps(status, indent=1)
762 def _si_abbrev(self):
763 return base32.b2a(self.monitor.origin_si)[:6]
765 def render_title(self, ctx):
766 return T.title["Manifest of SI=%s" % self._si_abbrev()]
768 def render_header(self, ctx):
769 return T.p["Manifest of SI=%s" % self._si_abbrev()]
771 def data_items(self, ctx, data):
772 return self.monitor.get_status()["manifest"]
774 def render_row(self, ctx, (path, cap)):
775 ctx.fillSlots("path", self.slashify_path(path))
777 # TODO: we need a clean consistent way to get the type of a cap string
778 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
779 nameurl = urllib.quote(path[-1].encode("utf-8"))
780 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
783 uri_link = "%s/uri/%s" % (root, urllib.quote(cap))
784 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
787 class DeepSizeResults(rend.Page):
788 def __init__(self, monitor):
789 self.monitor = monitor
791 def renderHTTP(self, ctx):
792 output = get_arg(inevow.IRequest(ctx), "output", "html").lower()
793 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
795 return self.json(ctx)
797 is_finished = self.monitor.is_finished()
798 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
800 stats = self.monitor.get_status()
801 total = (stats.get("size-immutable-files", 0)
802 + stats.get("size-mutable-files", 0)
803 + stats.get("size-directories", 0))
804 output += "size: %d\n" % total
808 status = {"finished": self.monitor.is_finished(),
809 "size": self.monitor.get_status(),
811 return simplejson.dumps(status)
813 class DeepStatsResults(rend.Page):
814 def __init__(self, monitor):
815 self.monitor = monitor
817 def renderHTTP(self, ctx):
819 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
820 s = self.monitor.get_status().copy()
821 s["finished"] = self.monitor.is_finished()
822 return simplejson.dumps(s, indent=1)
824 class ManifestStreamer(dirnode.DeepStats):
826 def __init__(self, ctx, origin):
827 dirnode.DeepStats.__init__(self, origin)
828 self.req = IRequest(ctx)
830 def add_node(self, node, path):
831 dirnode.DeepStats.add_node(self, node, path)
833 "cap": node.get_uri()}
835 if IDirectoryNode.providedBy(node):
836 d["type"] = "directory"
840 v = node.get_verify_cap()
845 r = node.get_repair_cap()
850 si = node.get_storage_index()
853 d["storage-index"] = si
855 j = simplejson.dumps(d, ensure_ascii=True)
857 self.req.write(j+"\n")
860 stats = dirnode.DeepStats.get_results(self)
861 d = {"type": "stats",
864 j = simplejson.dumps(d, ensure_ascii=True)
866 self.req.write(j+"\n")